The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 09, 2001
Filed:
Jan. 29, 1998
Applicant:
Inventors:
Rüdiger Kurtz, Heidenheim, DE;
Kurt Hack, Ravensburg, DE;
Assignee:
Voith Sulzer Papiermaschinen GmbH, Heidenheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F 1/100 ;
U.S. Cl.
CPC ...
D21F 1/100 ;
Abstract
A multi-ply paper includes a fiber material base layer, which is unbleached or made of wastepaper, and a top layer. Instead of a conventional “white” fiber material top layer, the top layer is in the form of a white or colored top coating.